CN103807434A - Vehicle parking locking device - Google Patents
Vehicle parking locking device Download PDFInfo
- Publication number
- CN103807434A CN103807434A CN201410063975.9A CN201410063975A CN103807434A CN 103807434 A CN103807434 A CN 103807434A CN 201410063975 A CN201410063975 A CN 201410063975A CN 103807434 A CN103807434 A CN 103807434A
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- China
- Prior art keywords
- park pawl
- groove
- draw
- connecting plate
- containing space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
- F16H63/3433—Details of latch mechanisms, e.g. for keeping pawls out of engagement
Abstract
A vehicle parking locking device comprises a parking ratchet wheel, a parking detent and an actuating mechanism, the actuating mechanism comprises a pressing head used for driving the parking detent to move between a locking position and an unlocking position in a switched mode, the parking detent comprises a first end and a second end opposite to the first end, and the first end is close to the parking ratchet wheel; the pressing head comprises a supporting frame, a containing space is formed inside the supporting frame, the first end on the back of the parking detent extends outwards to form a locating piece in the length extending direction of the parking detent, the locating piece is contained in the containing space when the parking detent is located in the locking position, and the locating piece penetrates out of the containing space and stopped by the supporting frame when the parking detent is located at the unlocking position. When the parking detent in the vehicle parking locking device is located at the unlocking device, the locating piece on the parking detent can be stopped by the supporting frame, the range in which the parking detent moves downwards due to shake is limited, the parking detent is prevented from being meshed with the parking ratchet wheel, and therefore it is guaranteed that mistaken gear shifting of the parking detent cannot occur.
Description
Technical field
The present invention relates to automobile technical field, and be particularly related to a kind of vehicle parking lock device.
Background technique
The automobile vehicle wheel rotation when preventing from stopping that carries automatic transmission need to arrange vehicle parking lock device on speed changer, thereby to reach the object of locking speed changer locking car load.Existing vehicle parking lock device is to engage to realize parking lock by park pawl and parking ratchet wheel mostly.
Chinese utility model patent CN2856600Y has recorded a kind of automobile locking device, as shown in Figure 1, comprise park pawl installation shaft 201, park pawl 207, cam mechanism 203, cam installation shaft 204, cam position-limit mechanism 205, ratchet return mechanism 206 and parking ratchet wheel 208.Wherein park pawl 207 is rotating is arranged in park pawl installation shaft 201, and cam mechanism 203 promotes park pawl 207 backs while clockwise rotating, and the locking tooth 202 of park pawl 207 can be engaged with parking ratchet wheel 208, reaches the effect of parking lock.In the time that cam structure 203 rotates counterclockwise, cam mechanism 203 departs from park pawl 207, and park pawl 207 reverses original position by ratchet return mechanism 206, realizes release.In the time that park pawl 207 is in the unlocked position, park pawl 207 easily engages because rocking to move down with parking ratchet wheel 208, thereby causes the problem of mistake engage a gear.In addition, cam mechanism 203 is sliding friction with park pawl 207 backs, and friction factor is larger, and therefore needed gear shifting force is larger, exists and is difficult for defect out of supply.
Summary of the invention
The object of the invention is to, a kind of vehicle parking lock device is provided, to solve park pawl of the prior art easily because rocking the problem that engages the mistake engage a gear causing with parking ratchet wheel that moves down.
A kind of vehicle parking lock device, comprise parking ratchet wheel, park pawl and actuating mechanism, described actuating mechanism comprises that the described park pawl of driving converts mobile pressure head between lock position and unlocked position, described park pawl comprises first end and the second end relative with first end near described parking ratchet wheel, described pressure head comprises supporting frame, in support frame as described above, be provided with containing space, the back of described park pawl length bearing of trend along described park pawl on described first end extends outward a location piece, described location piece is contained in described containing space in the time that described park pawl is positioned at lock position, described location piece passes and by support frame as described above block from described containing space in the time that described park pawl is positioned at unlocked position.
In a specific embodiments of the present invention, also comprise guide pad, described guide pad is located at the top of described park pawl, and described guide pad is provided with guiding groove, convexes with the slide block that can slide in described guiding groove on support frame as described above.
In a specific embodiments of the present invention, support frame as described above comprises two relative dunnages and connects the first connecting plate of described two dunnages, described two dunnages and described the first connecting plate surround described containing space, described slide block is convexly set in that dunnage of the close described guide pad in described two dunnages, described location piece in the time that described park pawl is positioned at unlocked position by the first connecting plate block of support frame as described above.
In a specific embodiments of the present invention, the back of described park pawl is formed with catch straight up in described first end, and described location piece stretches out along the length bearing of trend of described park pawl from the top of described catch.
In a specific embodiments of the present invention, described catch is formed with block face, the back of described park pawl is provided with plane and inclined-plane in described first end, described plane is connected between described inclined-plane and described block face, described block face is positioned at the outside of described plane, described inclined-plane is positioned at the inner side of described plane, described pressure head comprises upper and lower stacked two rollers that are positioned at described containing space, the two ends of described two rollers are installed on respectively in described two dunnages, the bottom of position that roller is on the lower exposed to containing space downwards, in the time of described movable press head, position that roller on the lower forms the contact of rolling until by described block face block in described inclined-plane and described plane, that top roller of position forms to roll with described guide pad and contacts and roll along described guide pad.
In a specific embodiments of the present invention, described actuating mechanism also comprises push rod and elastic element, described push rod comprises near the front end of support frame as described above and relative with the front end of described push rod and away from the rear end of support frame as described above, the front end of described push rod wears the first connecting plate of support frame as described above and is positioned at described containing space, and described elastic element is sheathed on the front end of described push rod and is positioned at described containing space.
In a specific embodiments of the present invention, described actuating mechanism also comprises actuating rail plate, and described actuating rail plate is connected with rear end and the shift shaft of described push rod.
In a specific embodiments of the present invention, the front end of described push rod is provided with projection, described elastic element is folded between described projection and the internal face of described the first connecting plate, and the middle part of described push rod is provided with spacing flange, and described spacing flange is positioned at the outside of described containing space.
In a specific embodiments of the present invention, described vehicle parking lock device also comprises positioning means, described positioning means comprises flexible positioning piece, described actuating rail plate is provided with the first draw-in groove, the second draw-in groove, the 3rd draw-in groove and the 4th draw-in groove, described flexible positioning piece can optionally move into described the first draw-in groove, the second draw-in groove, in the 3rd draw-in groove or the 4th draw-in groove, and described flexible positioning piece snaps in described the first draw-in groove makes described park pawl remain on lock position, described flexible positioning piece snaps in the second draw-in groove, the 3rd draw-in groove or the 4th draw-in groove make described park pawl remain on unlocked position.
In a specific embodiments of the present invention, support frame as described above also comprises the second connecting plate, described the second connecting plate and described the first connecting plate are oppositely arranged, and described containing space is surrounded jointly by described two dunnages, described the first connecting plate and described the second connecting plate.
Beneficial effect of the present invention is, vehicle parking lock device of the present invention by arranging location piece in park pawl, in the time that park pawl is positioned at unlocked position, the location piece of park pawl be positioned at pressure head the first connecting plate top and can be by the first connecting plate block, the scope moving down because the accident such as rocking with restriction park pawl, avoid in the engaging-in parking ratchet wheel of park pawl, thereby guarantee that park pawl can not hung in parking ratchet wheel by mistake and produce mistake engage a gear.Separately, vehicle parking lock device of the present invention also by pressure head upper and lower stacked two to the roller rolling, two rollers contact with the back of guide pad and park pawl respectively and during along the back-moving of guide pad and park pawl, two rollers form to roll with the back of guide pad and park pawl respectively and contact and roll along the back of guide pad and park pawl, because two rollers of vehicle parking lock device of the present invention and the back of guide pad and park pawl are rolling friction, coefficient of rolling friction is less than the coefficient of sliding friction, thereby berth-changing strength is reduced.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile locking device of the prior art.
Fig. 2 is that the vehicle parking lock device of the embodiment of the present invention is in the perspective view of lock position.
Fig. 3 is the structural representation of the park pawl in the vehicle parking lock device of the embodiment of the present invention.
Fig. 4 is the perspective view of the actuate push assembly in the vehicle parking lock device of the embodiment of the present invention.
Fig. 5 is the cross-sectional view of the actuate push assembly in the vehicle parking lock device of the embodiment of the present invention.
Fig. 6 is the structural representation of the guide pad in the vehicle parking lock device of the embodiment of the present invention.
Fig. 7 is that the vehicle parking lock device of the embodiment of the present invention is at the structural representation of lock position.
Fig. 8 is that the vehicle parking lock device of the embodiment of the present invention is from the unlocked position view excessive to lock position.
Fig. 9-11st, the vehicle parking lock device of the embodiment of the present invention is at the structural representation of unlocked position.
Embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to specific embodiments of the invention, structure, feature and effect thereof, be described in detail as follows.
Please refer to Fig. 2 and Fig. 7-11, the vehicle parking lock device of one embodiment of the invention comprises parking ratchet wheel 1, park pawl 2 and actuating mechanism 3.Parking ratchet wheel 1 can adopt the modes such as integral type, spline joint or bolt connection to be installed on transmission output shaft or differential mechanism.Park pawl 2 is arranged on ratchet turning axle 4, and can rotate around it.Actuating mechanism 3 is for driving park pawl 2 to move between lock position and unlocked position around ratchet turning axle 4.
Refer to Fig. 3, park pawl 2 comprises near the first end of parking ratchet wheel 1 and relative with first end and away from the second end of parking ratchet wheel 1.The back of park pawl 2 is formed with straight up catch 21 on first end.On catch 21, be formed with block face 210.The back of park pawl 2 is also formed with plane 201 and the inclined-plane 202 adjacent with plane 201 on first end.Wherein, plane 201 is connected between inclined-plane 202 and block face 210, block face 210 is positioned at a side at the first end place of the close park pawl 2 in outside of plane 201, inclined-plane 202 is positioned at a side at close ratchet turning axle 4 places, inner side of plane 201, the inner side of plane 201 is connected with inclined-plane 202, and the outside of plane 201 is connected with block face 210.The top of catch 21 extends outward a location piece 22 along the length bearing of trend of park pawl 2, and in the present embodiment, location piece 22 is inverted L-shaped.The belly of park pawl 2 is provided with locking tooth 23 on first end.Please refer to Fig. 9-11, in the time that park pawl 2 is in the unlocked position, the locking tooth 23 of park pawl 2 separates with the locking groove 11 of parking ratchet wheel 1, parking ratchet wheel 1 can freely rotate, the location piece 22 of park pawl 2 coordinate with the actuate push assembly 30 of actuating mechanism 3 refer to following, the scope moving down when the unlocked position with restriction park pawl 2, avoids in the engaging-in parking ratchet wheel 1 of park pawl 2, thereby guarantees that park pawl 2 can not miss engage a gear; Please refer to Fig. 2 and Fig. 7, when park pawl 2 is during in locked position of coupler, the locking tooth 23 of park pawl 2 engages with the locking groove 11 of parking ratchet wheel 1, and park pawl 2 limits parking ratchet wheel 1 and rotates.
Referring to Fig. 4 and Fig. 5, actuate push assembly 30 comprises pressure head 31, push rod 301 and elastic element 302.Wherein, pressure head 31 comprises supporting frame 310 and two rollers 311.In the present embodiment, supporting frame 310 comprises two relative dunnages 312 and connects the first connecting plate 313 and second connecting plate 314 of two dunnage 312 opposite ends.Two dunnages 312 and the first connecting plate 313 and the second connecting plate 314 surround a containing space 315.In other embodiments, also can omit the second connecting plate 314, containing space 315 is surrounded by two dunnages 312 and the first connecting plate 313.
In the present embodiment, relative the second connecting plate 314 of the first connecting plate 313 is further from the first end of park pawl 2, and the first connecting plate 313 is provided with the through hole 316 being communicated with containing space 315.Two rollers 311 are contained in containing space 315 up and down side by side stackedly, and two rollers 311 are in contact with one another, and the top of the top roller 311 in position is upwards exposed to containing space 315, and the bottom of position roller 311 is on the lower exposed to containing space 315 downwards.The two ends of each roller 311 are installed on respectively in two dunnages 312, and each roller 311 can Free-rolling.In the time that park pawl 2 is in the unlocked position, two rollers 311 are positioned at a side at close ratchet turning axle 4 places, inner side on inclined-plane 202, location piece 22 in park pawl 2 is positioned at the first connecting plate 313 tops of supporting frame 310, in the time that park pawl 2 drops downwards, location piece 22 can be stoped park pawl 2 further to drop downwards by the first connecting plate 313 blocks, with the moving range that drops downwards of restriction park pawl 2, avoid park pawl 2 to fall on parking ratchet wheel 1 and produce mistake engage a gear.In the time of vehicle parking lock device work of the present invention, in two rollers 311, position roller 311 on the lower contacts with inclined-plane 202 and the plane 201 formation rollings of park pawl 2, and can in the inclined-plane of park pawl 2 202 and plane 201, roll, until by block face 210 blocks; The top roller 311 in position forms to roll with guide pad 6 and contacts, and can on the lower surface of guide pad 6, roll, and joins in detail following.
For actuate push assembly 30 is moved along predetermined direction, vehicle parking lock device of the present invention also comprises guide pad 6.Please also refer to Fig. 6, guide pad 6 for example, is provided with guiding groove 601 along predetermined direction (substantially horizontal), on the supporting frame 310 of the pressure head 31 of actuate push assembly 30, convexes with slide block 318.Concrete, slide block 318 is convexly equipped with (see figure 4) in close that dunnage 312 of guide pad 6.Slide block 318 can penetrate in guiding groove 601 and can move along guiding groove 601, thereby guarantees that actuate push assembly 30 can move along predetermined direction under the drive that activates rail plate 32.It should be noted that, slide block 318 wears after guiding groove 601, guide pad 6 can limit supporting frame 310 and move up and down, that is to say, under the leading role of slide block 318 and guiding groove 601, supporting frame 310 only moves with respect to guide pad 6 along continuous straight runs, but position is in vertical direction fixed, therefore when the first connecting plate 313 block of supported 310 of the location piece 22 in park pawl 2, can stop that location piece 22 continues to move downward, also just avoid park pawl 2 to fall on parking ratchet wheel 1 and produce the problem of mistake engage a gear.
Please refer to Fig. 7, as the preferred embodiments of the present invention, vehicle parking lock device of the present invention also comprises elastic recoil element 8.Elastic recoil element 8 is for example torsion spring, and the second end of park pawl 2 is fixed in its one end, and the other end of elastic recoil element 8 is fixed on the housing of speed changer, thinks that park pawl 2 returns to unlocked position from lock position restoring force is provided.
Please refer to Fig. 2 and Fig. 7-11, as the preferred embodiments of the present invention, vehicle parking lock device of the present invention also comprises positioning means 50, for park pawl 2 is remained on to lock position or unlocked position.Positioning means 50 comprises the first draw-in groove 501, the second draw-in groove 502, the 3rd draw-in groove 503, the 4th draw-in groove 504 that are arranged on actuating rail plate 32, and flexible positioning piece 505.Flexible positioning piece 505 is for example planar spring assembly, and its one end is fixed, and the other end is provided with axle sleeve 506.Along with activating the rotation of rail plate 32, axle sleeve 506 can slide into the first draw-in groove 501, the second draw-in groove 502, the 3rd draw-in groove 503 or the 4th draw-in groove 504 along the surface that activates rail plate 32.Axle sleeve 506 is slipping into after the first draw-in groove 501, the second draw-in groove 502, the 3rd draw-in groove 503 or the 4th draw-in groove 504, can be stuck in the first draw-in groove 501, the second draw-in groove 502, the 3rd draw-in groove 503 or the 4th draw-in groove 504, thereby stop actuating rail plate 32 to rotate, and then park pawl 2 is remained on to lock position or unlocked position.Concrete, axle sleeve 506 is in the time snapping in the first draw-in groove 501, and park pawl 2 remains on lock position, and the shift handle of automobile is positioned at locking shelves; When axle sleeve 506 snaps in the second draw-in groove 502, the 3rd draw-in groove 503 or the 4th draw-in groove 504, park pawl 2 remains on unlocked position, and the shift handle of automobile is positioned at reverse gear, neutral gear or forward gears.
Please refer again to Fig. 2 and Fig. 7-8, in the time of needs parking lock, driver can stir shift shaft 7 by operation shift of transmission handle, shift shaft 7 drives actuating rail plate 32 to be rotated counterclockwise, then drive push rod 301 along continuous straight runs to move right, push rod 301 promotes the supporting frame 310 of pressure head 31 by elastic element 302, be then with dynamic head 31 to move right along substantially horizontal.Two rollers 311 in pressure head 31 roll along the inclined-plane 202 of guide pad 6 and park pawl 2 respectively.In the time that pressure head 31 moves right along substantially horizontal, it is large that the down pressure that pressure head 31 applies park pawl 2 becomes gradually, park pawl 2 is clockwise rotated around ratchet turning axle 4, the first connecting plate 313 of supporting frame 310 is gradually away from the location piece 22 in park pawl 2, so that the location piece 22 in park pawl 2 can enter in the containing space 315 of supporting frame 310 from the top of supporting frame 310 simultaneously.When pilot control gear shifting handle is during to locking shelves, activating rail plate 32 rotates to lock position with shift shaft 7, in pressure head 31, position roller 311 is on the lower rolled into the plane 201 of park pawl 2, the surface of park pawl 2 rests in the not engaging-in parking ratchet wheel 1 of periphery of parking ratchet wheel 1, now pressure head 31 continues to move right under the effect of the restoring force of elastic element 302, until in pressure head 31 position roller 311 on the lower by block face 210 blocks of park pawl 2, the locking tooth 23 of park pawl 2 engages with the locking groove 11 of parking ratchet wheel 1, thereby realize parking lock, location piece 22 in park pawl 2 enters in the containing space 315 of supporting frame 310 along with rotating of park pawl 2 simultaneously.Now, elastic recoil element 8 is compressed to deformation state, and the axle sleeve 506 of flexible positioning piece 505 snaps in the first draw-in groove 501, makes the position that activates rail plate 32 keep fixing, thereby makes park pawl 2 and parking ratchet wheel 1 keep engagement, as shown in Figure 7.
Please refer to Fig. 9-11, in the time of needs release, driver can stir shift shaft 7 by operation shift of transmission handle, shift shaft 7 drives actuating rail plate 32 to turn clockwise, then drive push rod 301 along continuous straight runs to be moved to the left, the supporting frame 310 that push rod 301 promotes pressure head 31 by spacing flange 303 is moved to the left along substantially horizontal, thereby makes push rod 301 be with dynamic head 31 to be moved to the left along substantially horizontal, so that the roller 311 on the lower of position in pressure head 31 is pushed into inclined-plane 202 from plane 201.When pressure head 31 is moved to the left along substantially horizontal, the down pressure that pressure head 31 applies park pawl 2 diminishes gradually, until no longer produce pressure, park pawl 2 is under the restoring force effect of elastic recoil element 8, park pawl 2 is rotated counterclockwise around ratchet turning axle 4, the locking tooth 23 of park pawl 2 separates with the locking groove 11 of parking ratchet wheel 1, thereby realize release, the location piece 22 of park pawl 2 is raised and is passed from the containing space 315 of pressure head 31 along with upwards rotating of park pawl 2 simultaneously, and pressure head 31 is moved to the left, the first connecting plate 313 on the supporting frame 310 of pressure head 31 is moved to the left, make the first connecting plate 313 be positioned at location piece 22 under, thereby make park pawl 2 meeting accident while dropping, its location piece 22 can be by the first connecting plate 313 blocks, the scope being rotated down with restriction park pawl 2, the mistake engage a gear of avoiding park pawl 2 further to drop produced.Now, the axle sleeve 506 of flexible positioning piece 505 snaps in the second draw-in groove 502, the 3rd draw-in groove 503 or the 4th draw-in groove 504, makes the position that activates rail plate 32 keep fixing, thereby makes park pawl 2 and parking ratchet wheel 1 keep separated state, as shown in Figures 9 to 11.It should be noted that, snap in the 4th draw-in groove 504 when interior at the axle sleeve 506 of flexible positioning piece 505, the top of the location piece 22 in park pawl 2 snaps in the first draw-in groove 501, lock will activate rail plate 32 driver in the time hanging forward gears, avoid activating rail plate 32 inordinate rotation, as shown in figure 10.
The invention has the beneficial effects as follows:
Vehicle parking lock device of the present invention by arranging location piece 22 in park pawl 2, in the time that park pawl 2 is positioned at unlocked position, the location piece 22 of park pawl 2 be positioned at pressure head 31 the first connecting plate 313 top and can be by the first connecting plate 313 blocks, the scope moving down because the accident such as rocking with restriction park pawl 2, avoid in the engaging-in parking ratchet wheel 1 of park pawl 2, thereby guarantee that park pawl 2 can not hung in parking ratchet wheel 1 by mistake and produce mistake engage a gear.Separately, vehicle parking lock device of the present invention also by pressure head 31 upper and lower stacked two to the roller 311 rolling, two rollers 311 contact with the back of guide pad 6 and park pawl 2 respectively and during along the back-moving of guide pad 6 and park pawl 2, two rollers 311 form to roll with the back of guide pad 6 and park pawl 2 respectively and contact and roll along the back of guide pad 6 and park pawl 2, because two rollers 311 of vehicle parking lock device of the present invention are rolling friction with the back of guide pad 6 and park pawl 2, coefficient of rolling friction is less than the coefficient of sliding friction, thereby berth-changing strength is reduced.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solution of the present invention content, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a vehicle parking lock device, comprise parking ratchet wheel (1), park pawl (2) and actuating mechanism (3), described actuating mechanism (3) comprises that the described park pawl of driving (2) converts mobile pressure head (31) between lock position and unlocked position, described park pawl (2) comprises first end and the second end relative with first end near described parking ratchet wheel (1), described pressure head (31) comprises supporting frame (310), in support frame as described above (310), be provided with containing space (315), it is characterized in that, the back of described park pawl (2) extends outward a location piece (22) along the length bearing of trend of described park pawl (2) on described first end, described location piece (22) is contained in described containing space (315) in the time that described park pawl (2) is positioned at lock position, described location piece (22) passes and by support frame as described above (310) block from described containing space (315) in the time that described park pawl (2) is positioned at unlocked position.
2. vehicle parking lock device as claimed in claim 1, it is characterized in that, also comprise guide pad (6), described guide pad (6) is located at the top of described park pawl (2), described guide pad (6) is provided with guiding groove (601), convexes with the slide block (318) that can slide in described guiding groove (601) on support frame as described above (310).
3. vehicle parking lock device as claimed in claim 2, it is characterized in that, support frame as described above (310) comprises two relative dunnages (312) and connects first connecting plate (313) of described two dunnages (312), described two dunnages (312) surround described containing space (315) with described the first connecting plate (313), described slide block (318) is convexly set in that dunnage (312) of the close described guide pad (6) in described two dunnages (312), described location piece (22) in the time that described park pawl (2) is positioned at unlocked position by the first connecting plate (313) block of support frame as described above (310).
4. vehicle parking lock device as claimed in claim 3, it is characterized in that, the back of described park pawl (2) is formed with catch (21) straight up in described first end, and described location piece (22) stretches out along the length bearing of trend of described park pawl (2) from the top of described catch (21).
5. vehicle parking lock device as claimed in claim 4, it is characterized in that, described catch (21) is formed with block face (210), the back of described park pawl (2) is provided with plane (201) and inclined-plane (202) in described first end, described plane (201) is connected between described inclined-plane (202) and described block face (210), described block face (210) is positioned at the outside of described plane (201), described inclined-plane (202) is positioned at the inner side of described plane (201), described pressure head (31) comprises upper and lower stacked two rollers (311) that are positioned at described containing space (315), the two ends of described two rollers (311) are installed on respectively in described two dunnages (312), the bottom of position that roller (311) is on the lower exposed to containing space (315) downwards, in the time that described pressure head (31) is mobile, position that roller (311) on the lower rolls contact until by described block face (210) block in described inclined-plane (202) and the upper formation of described plane (201), top that roller (311) in position forms to roll with described guide pad (6) and contacts and roll along described guide pad (6).
6. vehicle parking lock device as claimed in claim 3, it is characterized in that, described actuating mechanism (3) also comprises push rod (301) and elastic element (302), described push rod (301) comprises near the front end of support frame as described above (310) and relative with the front end of described push rod (301) and away from the rear end of support frame as described above (310), the front end of described push rod (301) wears first connecting plate (313) of support frame as described above (310) and is positioned at described containing space (315), described elastic element (302) is sheathed on the front end of described push rod (301) and is positioned at described containing space (315).
7. vehicle parking lock device as claimed in claim 6, is characterized in that, described actuating mechanism (3) also comprises actuating rail plate (32), and described actuating rail plate (32) is connected with rear end and the shift shaft (7) of described push rod (301).
8. vehicle parking lock device as claimed in claim 6, it is characterized in that, the front end of described push rod (301) is provided with projection (304), described elastic element (302) is folded between described projection (304) and the internal face of described the first connecting plate (313), the middle part of described push rod (301) is provided with spacing flange (303), and described spacing flange (303) is positioned at the outside of described containing space (315).
9. vehicle parking lock device as claimed in claim 7, it is characterized in that, described vehicle parking lock device also comprises positioning means (50), described positioning means (50) comprises flexible positioning piece (505), described actuating rail plate (32) is provided with the first draw-in groove (501), the second draw-in groove (502), the 3rd draw-in groove (503) and the 4th draw-in groove (504), described flexible positioning piece (505) can optionally move into described the first draw-in groove (501), the second draw-in groove (502), in the 3rd draw-in groove (503) or the 4th draw-in groove (504), and described flexible positioning piece (505) snaps in described the first draw-in groove (501) makes described park pawl (2) remain on lock position, described flexible positioning piece (505) snaps in the second draw-in groove (502), the 3rd draw-in groove (503) or the 4th draw-in groove (504) make described park pawl (2) remain on unlocked position.
10. vehicle parking lock device as claimed in claim 3, it is characterized in that, support frame as described above (310) also comprises the second connecting plate (314), described the second connecting plate (314) is oppositely arranged with described the first connecting plate (313), and described containing space (315) is surrounded jointly by described two dunnages (312), described the first connecting plate (313) and described the second connecting plate (314).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063975.9A CN103807434B (en) | 2014-02-25 | 2014-02-25 | vehicle parking lock device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063975.9A CN103807434B (en) | 2014-02-25 | 2014-02-25 | vehicle parking lock device |
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| CN103807434A true CN103807434A (en) | 2014-05-21 |
| CN103807434B CN103807434B (en) | 2017-11-14 |
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| CN201410063975.9A Active CN103807434B (en) | 2014-02-25 | 2014-02-25 | vehicle parking lock device |
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